svn-gvsig-desktop / tags / v1_1_Build_1013 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / v02 / FLabel.java @ 13521
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1 | 452 | fjp | /*
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2 | * Created on 13-jul-2004
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3 | *
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4 | * TODO To change the template for this generated file go to
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5 | * Window - Preferences - Java - Code Generation - Code and Comments
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6 | */
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7 | 1100 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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8 | *
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9 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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10 | *
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11 | * This program is free software; you can redistribute it and/or
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12 | * modify it under the terms of the GNU General Public License
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13 | * as published by the Free Software Foundation; either version 2
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14 | * of the License, or (at your option) any later version.
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15 | *
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16 | * This program is distributed in the hope that it will be useful,
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17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | * GNU General Public License for more details.
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20 | *
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21 | * You should have received a copy of the GNU General Public License
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22 | * along with this program; if not, write to the Free Software
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23 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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24 | *
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25 | * For more information, contact:
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26 | *
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27 | * Generalitat Valenciana
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28 | * Conselleria d'Infraestructures i Transport
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29 | * Av. Blasco Ib??ez, 50
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30 | * 46010 VALENCIA
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31 | * SPAIN
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32 | *
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33 | * +34 963862235
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34 | * gvsig@gva.es
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35 | * www.gvsig.gva.es
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36 | *
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37 | * or
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38 | *
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39 | * IVER T.I. S.A
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40 | * Salamanca 50
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41 | * 46005 Valencia
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42 | * Spain
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43 | *
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44 | * +34 963163400
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45 | * dac@iver.es
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46 | */
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47 | 452 | fjp | package com.iver.cit.gvsig.fmap.core.v02; |
48 | |||
49 | 4256 | caballero | import java.awt.Color; |
50 | 4213 | caballero | import java.awt.Font; |
51 | 8765 | jjdelcerro | import java.awt.Graphics2D; |
52 | import java.awt.Shape; |
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53 | 4256 | caballero | import java.awt.geom.AffineTransform; |
54 | 4213 | caballero | import java.awt.geom.Point2D; |
55 | import java.awt.geom.Rectangle2D; |
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56 | |||
57 | import org.apache.batik.ext.awt.geom.PathLength; |
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58 | |||
59 | import com.iver.cit.gvsig.fmap.ViewPort; |
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60 | 12139 | caballero | import com.iver.cit.gvsig.fmap.core.FMultiPoint2D; |
61 | 452 | fjp | import com.iver.cit.gvsig.fmap.core.FPoint2D; |
62 | 757 | fjp | import com.iver.cit.gvsig.fmap.core.FShape; |
63 | 8765 | jjdelcerro | import com.iver.cit.gvsig.fmap.core.ISymbol; |
64 | 452 | fjp | import com.iver.utiles.XMLEntity; |
65 | 757 | fjp | import com.vividsolutions.jts.geom.Geometry; |
66 | import com.vividsolutions.jts.geom.Point; |
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67 | 452 | fjp | |
68 | 1005 | vcaballero | |
69 | 452 | fjp | /**
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70 | 1005 | vcaballero | * Se utiliza para etiquetar. Las capas vectoriales tienen un arrayList
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71 | * (m_labels) de FLabel, un FLabel por cada registro.
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72 | *
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73 | 452 | fjp | * @author FJP
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74 | */
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75 | public class FLabel implements Cloneable { |
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76 | public final static byte LEFT_TOP = 0; |
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77 | public final static byte LEFT_CENTER = 1; |
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78 | public final static byte LEFT_BOTTOM = 2; |
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79 | public final static byte CENTER_TOP = 6; |
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80 | public final static byte CENTER_CENTER = 7; |
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81 | public final static byte CENTER_BOTTOM = 8; |
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82 | public final static byte RIGHT_TOP = 12; |
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83 | public final static byte RIGHT_CENTER = 13; |
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84 | public final static byte RIGHT_BOTTOM = 14; |
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85 | private String m_Str = null; |
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86 | private Point2D m_Orig = null; |
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87 | private double m_Height; |
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88 | 11547 | caballero | //public static final double SQUARE = FConstant.FONT_HEIGHT_SCALE_FACTOR;//Math.sqrt(2.0);
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89 | 452 | fjp | /**
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90 | 1005 | vcaballero | * <code>m_rotation</code> en grados, NO en radianes. Se convierte en
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91 | * radianes al dibujar.
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92 | 452 | fjp | */
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93 | private double m_rotation; |
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94 | 1005 | vcaballero | |
95 | 452 | fjp | /**
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96 | 1005 | vcaballero | * Valores posibles para <code>m_Justification</code>: Left/Top = 0
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97 | * Center/Top = 6 Right/Top = 12 Left/Center = 1
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98 | * Center/Center = 7 Right/Center = 13 Left/Bottom = 2
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99 | * Center/Bottom = 8 Right/Bottom = 14
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100 | 452 | fjp | */
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101 | 4213 | caballero | private byte m_Justification = LEFT_BOTTOM; // Por defecto |
102 | private int m_Style; |
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103 | private Rectangle2D boundBox; |
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104 | 11547 | caballero | // private Color color;
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105 | 4296 | caballero | private static Font font=new Font("Dialog",Font.PLAIN,12); |
106 | 1005 | vcaballero | /**
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107 | * Crea un nuevo FLabel.
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108 | */
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109 | public FLabel() {
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110 | 452 | fjp | } |
111 | 1005 | vcaballero | |
112 | /**
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113 | * Crea un nuevo FLabel.
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114 | *
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115 | * @param str DOCUMENT ME!
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116 | */
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117 | public FLabel(String str) { |
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118 | m_Str = str; |
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119 | 452 | fjp | } |
120 | 1005 | vcaballero | |
121 | /**
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122 | * Crea un nuevo FLabel.
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123 | *
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124 | * @param str
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125 | * @param pOrig
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126 | * @param heightText
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127 | * @param rotation
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128 | */
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129 | public FLabel(String str, Point2D pOrig, double heightText, double rotation) { |
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130 | 452 | fjp | m_Str = str; |
131 | m_Orig = pOrig; |
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132 | m_Height = heightText; |
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133 | m_rotation = rotation; |
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134 | } |
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135 | 1005 | vcaballero | |
136 | /**
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137 | * Introduce un nuevo FLabel al ya existente.
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138 | *
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139 | * @param label
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140 | */
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141 | public void setFLabel(FLabel label) { |
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142 | 452 | fjp | m_Str = label.m_Str; |
143 | m_Orig = label.m_Orig; |
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144 | m_Height = label.m_Height; |
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145 | m_rotation = label.m_rotation; |
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146 | } |
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147 | 1005 | vcaballero | |
148 | /**
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149 | * Clona el FLabel.
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150 | *
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151 | * @return Object clonado.
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152 | */
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153 | public Object clone() { |
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154 | 4951 | caballero | FLabel label=new FLabel(m_Str, m_Orig, m_Height, m_rotation);
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155 | label.boundBox=(Rectangle2D)boundBox.clone();
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156 | return label;
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157 | 452 | fjp | } |
158 | |||
159 | /**
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160 | 1005 | vcaballero | * Devuelve la altura del Label.
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161 | *
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162 | 452 | fjp | * @return Returns the m_Height.
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163 | */
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164 | public double getHeight() { |
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165 | return m_Height;
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166 | } |
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167 | 1005 | vcaballero | |
168 | 452 | fjp | /**
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169 | 1005 | vcaballero | * Devuelve el punto de origen.
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170 | *
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171 | 452 | fjp | * @return Returns the m_Orig.
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172 | */
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173 | public Point2D getOrig() { |
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174 | return m_Orig;
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175 | } |
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176 | 1005 | vcaballero | |
177 | 452 | fjp | /**
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178 | 1005 | vcaballero | * Devuelve la rotaci?n.
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179 | *
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180 | 452 | fjp | * @return Returns the m_rotation.
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181 | */
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182 | public double getRotation() { |
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183 | return m_rotation;
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184 | } |
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185 | 1005 | vcaballero | |
186 | 452 | fjp | /**
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187 | 1005 | vcaballero | * Devuelve un String con el texto del Label.
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188 | *
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189 | 452 | fjp | * @return Returns the m_Str.
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190 | */
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191 | public String getString() { |
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192 | return m_Str;
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193 | } |
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194 | 1005 | vcaballero | |
195 | 452 | fjp | /**
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196 | 1005 | vcaballero | * Introduce la altura del Label.
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197 | *
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198 | 452 | fjp | * @param height The m_Height to set.
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199 | */
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200 | public void setHeight(double height) { |
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201 | m_Height = height; |
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202 | } |
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203 | 1005 | vcaballero | |
204 | 452 | fjp | /**
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205 | 1005 | vcaballero | * Introduce el punto de origen del Label.
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206 | *
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207 | 452 | fjp | * @param orig The m_Orig to set.
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208 | */
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209 | public void setOrig(Point2D orig) { |
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210 | m_Orig = orig; |
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211 | } |
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212 | 1005 | vcaballero | |
213 | 452 | fjp | /**
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214 | 1005 | vcaballero | * Introduce la rotaci?n a aplicar al Label.
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215 | *
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216 | 452 | fjp | * @param m_rotation The m_rotation to set.
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217 | */
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218 | public void setRotation(double m_rotation) { |
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219 | 4226 | caballero | this.m_rotation = Math.toRadians(-m_rotation); |
220 | 452 | fjp | } |
221 | 1005 | vcaballero | |
222 | 452 | fjp | /**
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223 | 1005 | vcaballero | * Introduce el texto del Label.
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224 | *
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225 | 452 | fjp | * @param str The m_Str to set.
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226 | */
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227 | public void setString(String str) { |
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228 | m_Str = str; |
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229 | } |
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230 | 1005 | vcaballero | |
231 | 452 | fjp | /**
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232 | 1005 | vcaballero | * Valores posibles para <code>m_Justification</code>: Left/Top = 0
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233 | * Center/Top = 6 Right/Top = 12 Left/Center = 1
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234 | * Center/Center = 7 Right/Center = 13 Left/Bottom = 2
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235 | * Center/Bottom = 8 Right/Bottom = 14
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236 | *
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237 | * @return byte.
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238 | 452 | fjp | */
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239 | public byte getJustification() { |
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240 | return m_Justification;
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241 | } |
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242 | 1005 | vcaballero | |
243 | 452 | fjp | /**
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244 | 1005 | vcaballero | * Valores posibles para <code>m_Justification</code>: Left/Top = 0
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245 | * Center/Top = 6 Right/Top = 12 Left/Center = 1
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246 | * Center/Center = 7 Right/Center = 13 Left/Bottom = 2
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247 | * Center/Bottom = 8 Right/Bottom = 14
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248 | *
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249 | * @param justification byte
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250 | 452 | fjp | */
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251 | public void setJustification(byte justification) { |
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252 | m_Justification = justification; |
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253 | } |
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254 | 1005 | vcaballero | |
255 | 452 | fjp | /**
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256 | 1005 | vcaballero | * Devuelve un Objeto XMLEntity con la informaci?n los atributos necesarios
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257 | * para poder despu?s volver a crear el objeto original.
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258 | *
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259 | * @return XMLEntity.
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260 | */
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261 | public XMLEntity getXMLEntity() {
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262 | XMLEntity xml = new XMLEntity();
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263 | 1094 | vcaballero | xml.putProperty("className",this.getClass().getName()); |
264 | 1005 | vcaballero | xml.setName("flabel");
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265 | xml.putProperty("m_Height", m_Height);
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266 | xml.putProperty("m_Justification", (int) m_Justification); |
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267 | xml.putProperty("m_OrigX", m_Orig.getX());
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268 | xml.putProperty("m_OrigY", m_Orig.getY());
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269 | xml.putProperty("m_rotation", m_rotation);
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270 | xml.putProperty("m_Str", m_Str);
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271 | 452 | fjp | |
272 | 1005 | vcaballero | return xml;
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273 | } |
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274 | 452 | fjp | |
275 | 1005 | vcaballero | /**
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276 | * Crea un Objeto de esta clase a partir de la informaci?n del XMLEntity.
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277 | *
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278 | * @param xml XMLEntity
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279 | *
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280 | * @return Objeto de esta clase.
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281 | */
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282 | public static FLabel createFLabel(XMLEntity xml) { |
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283 | FLabel label = new FLabel();
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284 | label.setHeight(xml.getDoubleProperty("m_Height"));
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285 | label.setJustification((byte) xml.getIntProperty("m_Justification")); |
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286 | label.setOrig(new Point2D.Double(xml.getDoubleProperty("m_OrigX"), |
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287 | xml.getDoubleProperty("m_OrigY")));
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288 | label.setString("m_Str");
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289 | 757 | fjp | |
290 | 1005 | vcaballero | return label;
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291 | } |
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292 | |||
293 | /**
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294 | * M?todo est?tico que crea un FLabel a partir de un FShape.
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295 | *
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296 | * @param shp FShape.
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297 | *
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298 | * @return nuevo FLabel creado.
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299 | */
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300 | public static FLabel createFLabel(FShape shp) { |
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301 | float angle;
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302 | 6370 | caballero | Point2D pAux = createLabelPoint(shp);
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303 | 1005 | vcaballero | |
304 | FLabel label = new FLabel();
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305 | 6370 | caballero | label.setOrig(pAux); |
306 | 1005 | vcaballero | switch (shp.getShapeType()) {
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307 | case FShape.LINE:
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308 | 2354 | fjp | case FShape.LINE + FShape.Z:
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309 | 1005 | vcaballero | PathLength pathLen = new PathLength(shp);
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310 | float midDistance = pathLen.lengthOfPath() / 2; |
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311 | angle = pathLen.angleAtLength(midDistance); |
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312 | |||
313 | if (angle < 0) { |
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314 | angle = angle + (float) (2 * Math.PI); |
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315 | } |
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316 | if ((angle > (Math.PI / 2)) && (angle < ((3 * Math.PI) / 2))) { |
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317 | angle = angle - (float) Math.PI; |
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318 | } |
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319 | label.setRotation(Math.toDegrees(angle));
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320 | break;
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321 | 6370 | caballero | } // switch
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322 | 1005 | vcaballero | |
323 | 6370 | caballero | return label;
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324 | } |
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325 | 12139 | caballero | public static Point2D createLabelPoint(Shape shp) { |
326 | 6370 | caballero | Point2D pAux = null; |
327 | 12139 | caballero | if (shp instanceof FShape){ |
328 | switch (((FShape)shp).getShapeType()) {
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329 | 6370 | caballero | case FShape.POINT:
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330 | case FShape.POINT + FShape.Z:
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331 | pAux = new Point2D.Double(((FPoint2D) shp).getX(), |
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332 | ((FPoint2D) shp).getY()); |
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333 | return pAux;
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334 | |||
335 | case FShape.LINE:
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336 | case FShape.LINE + FShape.Z:
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337 | PathLength pathLen = new PathLength(shp);
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338 | |||
339 | // if (pathLen.lengthOfPath() < width / mT.getScaleX()) return;
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340 | float midDistance = pathLen.lengthOfPath() / 2; |
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341 | pAux = pathLen.pointAtLength(midDistance); |
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342 | return pAux;
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343 | |||
344 | 1005 | vcaballero | case FShape.POLYGON:
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345 | 2354 | fjp | case FShape.POLYGON + FShape.Z:
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346 | 12139 | caballero | Geometry geo = FConverter.java2d_to_jts((FShape)shp); |
347 | 1005 | vcaballero | |
348 | if (geo == null) { |
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349 | return null; |
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350 | } |
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351 | |||
352 | Point pJTS = geo.getCentroid();
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353 | |||
354 | 6370 | caballero | if (pJTS != null) { |
355 | 1005 | vcaballero | FShape pLabel = FConverter.jts_to_java2d(pJTS); |
356 | 6370 | caballero | return new Point2D.Double(((FPoint2D) pLabel).getX(), |
357 | ((FPoint2D) pLabel).getY()); |
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358 | 1005 | vcaballero | } |
359 | } // switch
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360 | 12139 | caballero | }else if (shp instanceof FMultiPoint2D){ |
361 | int num=((FMultiPoint2D)shp).getNumPoints();
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362 | Rectangle2D r=null; |
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363 | if (num>0){ |
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364 | r= ((FMultiPoint2D)shp).getPoint(0).getBounds2D();
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365 | for (int i=1;i<num;i++){ |
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366 | FPoint2D fp=((FMultiPoint2D)shp).getPoint(i); |
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367 | r.add(new Point2D.Double(fp.getX(),fp.getY())); |
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368 | } |
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369 | } |
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370 | if (r!=null) |
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371 | return new Point2D.Double(r.getCenterX(),r.getCenterY()); |
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372 | } |
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373 | 6370 | caballero | return null; |
374 | 1005 | vcaballero | } |
375 | 4256 | caballero | public void setTypeFont(String t) { |
376 | font=Font.getFont(t,font);
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377 | 4213 | caballero | } |
378 | public int getStyle() { |
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379 | return m_Style;
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380 | } |
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381 | |||
382 | public void setBoundBox(Rectangle2D boundBox) { |
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383 | this.boundBox=boundBox;
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384 | |||
385 | } |
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386 | public Rectangle2D getBoundBox(){ |
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387 | return boundBox;
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388 | } |
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389 | |||
390 | 4226 | caballero | public Rectangle2D getBoundingBox(ViewPort vp) { |
391 | 4213 | caballero | return vp.fromMapRectangle(boundBox);
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392 | } |
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393 | 4256 | caballero | |
394 | 11547 | caballero | // public void setColor(int i) {
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395 | // color=new Color(i);
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396 | // }
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397 | //
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398 | // public Color getColor() {
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399 | // return color;
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400 | // }
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401 | 4296 | caballero | /*public Font getFont(AffineTransform at,boolean isInPixels){
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402 | 4256 | caballero | if (!isInPixels) {
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403 | float alturaPixels = (float) ((getHeight() * at.getScaleX())*SQUARE);
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404 | 4296 | caballero | //Font nuevaFuente = font.deriveFont(alturaPixels);//new Font(getTypeFont(),getStyle(),(int)alturaPixels);
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405 | return font.deriveFont(alturaPixels);
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406 | 4256 | caballero | }
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407 | 4296 | caballero | //Font nuevaFuente = font.deriveFont((float)(getHeight()*SQUARE));//new Font(getTypeFont(),getStyle(),(int)(getHeight()*SQUARE));
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408 | return font;//font.deriveFont((float)(getHeight()*SQUARE));
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409 | }*/
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410 | public Font getFont(AffineTransform at,Font font){ |
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411 | 11547 | caballero | float alturaPixels = (float) ((getHeight() * at.getScaleX())*FConstant.FONT_HEIGHT_SCALE_FACTOR); |
412 | 4296 | caballero | return font.deriveFont(alturaPixels);
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413 | 4256 | caballero | } |
414 | 4296 | caballero | |
415 | 8765 | jjdelcerro | /**
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416 | 11547 | caballero | * Por ahora, para extender el renderizado de etiquetas, habr?a que
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417 | 8765 | jjdelcerro | * crear otro FLabel y reimplementar este m?todo para que haga caso
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418 | * a otros s?mbolos. Es decir, NO usar FGraphicUtilities
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419 | * @param g
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420 | * @param affineTransform
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421 | * @param theShape
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422 | * @param theSymbol
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423 | */
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424 | public void draw(Graphics2D g, AffineTransform affineTransform, Shape theShape, ISymbol theSymbol) { |
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425 | FGraphicUtilities.DrawLabel(g, affineTransform, |
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426 | (FShape) theShape, (FSymbol) theSymbol, this);
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427 | |||
428 | 11547 | caballero | |
429 | 8765 | jjdelcerro | } |
430 | |||
431 | 452 | fjp | } |